Home / 7,649.92-10,556.52-4,816.48

Finding the Fourth Proportional to 7,649.92, 10,556.52 and 4,816.48

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Solution

The fourth proportional to 7,649.92, 10,556.52 and 4,816.48 is: 6,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.92 : 10,556.52 = 4,816.48 : x
  2. Step 2: Convert to fraction form
    7,649.92/10,556.52 = 4,816.48/x
  3. Step 3: Cross multiply
    7,649.92x = 10,556.52 × 4,816.48
  4. Step 4: Simplify right side
    7,649.92x = 50,845,267.45
  5. Step 5: Solve for x
    x = 50,845,267.45/7,649.92
  6. Step 6: Final answer
    x = 6,646.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.